Preparing for a later conversion to sparse IRQs, this ensures that
the mach/irqs.h header is still visible in files that reference
an IRQ number.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200806182059.2431-30-krzk@kernel.orgSigned-off-by: Krzysztof Kozlowski <krzk@kernel.org>